偉功[ikou] great deed
遺功[ikou] works following the deceased
気功[kikou] breathing exercise
九仞の功[kyuujinnokou] spectacular success
勲功[kunkou] merits

軍功[gunkou] meritorious war service
蛍雪の功[keisetsunokou] the fruit of diligent study
功業[kougyou] exploit
功罪[kouzai] both good and bad
功績[kouseki] achievements

発勁[hakkei] release internal power
勁捷[keishou] strong and nimble
勁卒[keisotsu] excellent soldier
勁敵[keiteki] formidable foe

勁悍[keikan] strong and fierce
雄勁[yuukei] vigorous
勁草[keisou] wind-resistant blade of grass